1&rpar; DZ47-63 series MCB is used in lighting distribution system or power distribution system to protect overload and short circuit of the system&period;2&rpar; This product is consist of shell plating&comma; operating mechanism&comma; Instantaneous trip and arc extinguishing equipment3&rpar; It has high breaking capacity and can trip quickly&period; Its case and body are made of highly fire-protection and shockproof plastic&period;4&rpar; This product&comma; with long life&comma; is mainly used in AC 50Hz &sol; 60Hz single-pole 230V&sol;400V or two&sol;three&sol;four-pole 400V circuit for overload and short circuit protection&comma; as well as infrequent on-and-off switching electric equipment and lighting circuit in normal cases&period;